mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 00:07:58 +01:00
741 lines
23 KiB
C#
741 lines
23 KiB
C#
using Xunit.Abstractions;
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namespace Terminal.Gui.ViewTests;
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public class HasFocusChangeEventTests (ITestOutputHelper _output) : TestsAllViews
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{
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[Fact]
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public void HasFocusChanging_SetFocus_Raises ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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Assert.True (view.CanFocus);
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Assert.False (view.HasFocus);
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view.SetFocus ();
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Assert.True (view.HasFocus);
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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}
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[Fact]
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public void HasFocusChanging_SetFocus_SubView_SetFocus_Raises ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subviewHasFocusTrueCount = 0;
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var subviewHasFocusFalseCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewHasFocusTrueCount++;
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}
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else
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{
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subviewHasFocusFalseCount++;
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}
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};
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view.Add (subview);
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view.SetFocus ();
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (1, subviewHasFocusTrueCount);
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Assert.Equal (0, subviewHasFocusFalseCount);
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}
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[Fact]
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public void HasFocusChanging_SetFocus_On_SubView_SubView_SetFocus_Raises ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subviewHasFocusTrueCount = 0;
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var subviewHasFocusFalseCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewHasFocusTrueCount++;
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}
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else
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{
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subviewHasFocusFalseCount++;
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}
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};
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view.Add (subview);
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subview.SetFocus ();
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (1, subviewHasFocusTrueCount);
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Assert.Equal (0, subviewHasFocusFalseCount);
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}
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[Fact]
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public void HasFocusChanging_SetFocus_CompoundSubView_Raises ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subViewEnterCount = 0;
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var subViewLeaveCount = 0;
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var subView = new View
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{
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Id = "subView",
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CanFocus = true
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};
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subView.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subViewEnterCount++;
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}
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else
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{
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subViewLeaveCount++;
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}
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};
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var subviewSubView1EnterCount = 0;
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var subviewSubView1LeaveCount = 0;
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var subViewSubView1 = new View
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{
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Id = "subViewSubView1",
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CanFocus = false
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};
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subViewSubView1.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewSubView1EnterCount++;
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}
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else
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{
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subviewSubView1LeaveCount++;
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}
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};
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var subviewSubView2EnterCount = 0;
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var subviewSubView2LeaveCount = 0;
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var subViewSubView2 = new View
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{
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Id = "subViewSubView2",
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CanFocus = true
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};
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subViewSubView2.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewSubView2EnterCount++;
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}
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else
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{
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subviewSubView2EnterCount++;
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}
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};
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var subviewSubView3EnterCount = 0;
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var subviewSubView3LeaveCount = 0;
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var subViewSubView3 = new View
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{
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Id = "subViewSubView3",
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CanFocus = false
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};
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subViewSubView3.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewSubView3EnterCount++;
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}
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else
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{
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subviewSubView3LeaveCount++;
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}
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};
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subView.Add (subViewSubView1, subViewSubView2, subViewSubView3);
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view.Add (subView);
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view.SetFocus ();
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Assert.True (view.HasFocus);
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Assert.True (subView.HasFocus);
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Assert.False (subViewSubView1.HasFocus);
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Assert.True (subViewSubView2.HasFocus);
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Assert.False (subViewSubView3.HasFocus);
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (1, subViewEnterCount);
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Assert.Equal (0, subViewLeaveCount);
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Assert.Equal (0, subviewSubView1EnterCount);
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Assert.Equal (0, subviewSubView1LeaveCount);
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Assert.Equal (1, subviewSubView2EnterCount);
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Assert.Equal (0, subviewSubView2LeaveCount);
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Assert.Equal (0, subviewSubView3EnterCount);
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Assert.Equal (0, subviewSubView3LeaveCount);
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}
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[Fact]
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public void HasFocusChanging_Can_Cancel ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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e.Cancel = true;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subviewHasFocusTrueCount = 0;
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var subviewHasFocusFalseCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewHasFocusTrueCount++;
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}
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else
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{
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subviewHasFocusFalseCount++;
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}
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};
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view.Add (subview);
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view.SetFocus ();
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Assert.False (view.HasFocus);
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Assert.False (subview.HasFocus);
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (0, subviewHasFocusTrueCount);
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Assert.Equal (0, subviewHasFocusFalseCount);
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}
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[Fact]
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public void HasFocusChanging_SetFocus_On_SubView_Can_Cancel ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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e.Cancel = true;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subviewHasFocusTrueCount = 0;
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var subviewHasFocusFalseCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewHasFocusTrueCount++;
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}
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else
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{
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subviewHasFocusFalseCount++;
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}
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};
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view.Add (subview);
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subview.SetFocus ();
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Assert.False (view.HasFocus);
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Assert.False (subview.HasFocus);
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (1, subviewHasFocusTrueCount);
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Assert.Equal (0, subviewHasFocusFalseCount);
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}
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[Fact]
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public void HasFocusChanging_SubView_Can_Cancel ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subviewHasFocusTrueCount = 0;
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var subviewHasFocusFalseCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewHasFocusTrueCount++;
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e.Cancel = true;
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}
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else
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{
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subviewHasFocusFalseCount++;
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}
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};
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view.Add (subview);
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view.SetFocus ();
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Assert.True (view.HasFocus);
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Assert.False (subview.HasFocus);
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Assert.Equal (1, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (1, subviewHasFocusTrueCount);
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Assert.Equal (0, subviewHasFocusFalseCount);
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}
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[Fact]
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public void HasFocusChanging_SetFocus_On_Subview_SubView_Can_Cancel ()
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{
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var hasFocusTrueCount = 0;
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var hasFocusFalseCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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hasFocusTrueCount++;
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}
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else
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{
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hasFocusFalseCount++;
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}
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};
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var subviewHasFocusTrueCount = 0;
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var subviewHasFocusFalseCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) =>
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{
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if (e.NewValue)
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{
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subviewHasFocusTrueCount++;
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e.Cancel = true;
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}
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else
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{
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subviewHasFocusFalseCount++;
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}
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};
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view.Add (subview);
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subview.SetFocus ();
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Assert.False (view.HasFocus);
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Assert.False (subview.HasFocus);
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Assert.Equal (0, hasFocusTrueCount);
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Assert.Equal (0, hasFocusFalseCount);
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Assert.Equal (1, subviewHasFocusTrueCount);
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Assert.Equal (0, subviewHasFocusFalseCount);
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}
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[Fact]
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public void RemoveFocus_Raises_HasFocusChanged ()
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{
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var nEnter = 0;
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var nLeave = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) => nEnter++;
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view.HasFocusChanged += (s, e) => nLeave++;
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Assert.True (view.CanFocus);
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Assert.False (view.HasFocus);
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view.SetFocus ();
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Assert.True (view.HasFocus);
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Assert.Equal (1, nEnter);
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Assert.Equal (0, nLeave);
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view.HasFocus = false;
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Assert.Equal (1, nEnter);
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Assert.Equal (1, nLeave);
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}
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[Fact]
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public void RemoveFocus_SubView_Raises_HasFocusChanged ()
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{
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var viewEnterCount = 0;
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var viewLeaveCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) => viewEnterCount++;
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view.HasFocusChanged += (s, e) => viewLeaveCount++;
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var subviewEnterCount = 0;
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var subviewLeaveCount = 0;
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var subview = new View
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{
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Id = "subview",
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CanFocus = true
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};
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subview.HasFocusChanging += (s, e) => subviewEnterCount++;
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subview.HasFocusChanged += (s, e) => subviewLeaveCount++;
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view.Add (subview);
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view.SetFocus ();
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view.HasFocus = false;
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Assert.Equal (1, viewEnterCount);
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Assert.Equal (1, viewLeaveCount);
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Assert.Equal (1, subviewEnterCount);
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Assert.Equal (1, subviewLeaveCount);
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view.SetFocus ();
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Assert.Equal (2, viewEnterCount);
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Assert.Equal (1, viewLeaveCount);
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Assert.Equal (2, subviewEnterCount);
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Assert.Equal (1, subviewLeaveCount);
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subview.HasFocus = false;
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Assert.Equal (2, viewEnterCount);
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Assert.Equal (2, viewLeaveCount);
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Assert.Equal (2, subviewEnterCount);
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Assert.Equal (2, subviewLeaveCount);
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}
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|
|
[Fact]
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public void RemoveFocus_CompoundSubView_Raises_HasFocusChanged ()
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{
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var viewEnterCount = 0;
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var viewLeaveCount = 0;
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var view = new View
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{
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Id = "view",
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CanFocus = true
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};
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view.HasFocusChanging += (s, e) => viewEnterCount++;
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view.HasFocusChanged += (s, e) => viewLeaveCount++;
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var subViewEnterCount = 0;
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var subViewLeaveCount = 0;
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var subView = new View
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{
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Id = "subView",
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CanFocus = true
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};
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subView.HasFocusChanging += (s, e) => subViewEnterCount++;
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subView.HasFocusChanged += (s, e) => subViewLeaveCount++;
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var subviewSubView1EnterCount = 0;
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var subviewSubView1LeaveCount = 0;
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var subViewSubView1 = new View
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{
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Id = "subViewSubView1",
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CanFocus = false
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};
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subViewSubView1.HasFocusChanging += (s, e) => subviewSubView1EnterCount++;
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subViewSubView1.HasFocusChanged += (s, e) => subviewSubView1LeaveCount++;
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var subviewSubView2EnterCount = 0;
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var subviewSubView2LeaveCount = 0;
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|
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var subViewSubView2 = new View
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{
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Id = "subViewSubView2",
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CanFocus = true
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};
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subViewSubView2.HasFocusChanging += (s, e) => subviewSubView2EnterCount++;
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subViewSubView2.HasFocusChanged += (s, e) => subviewSubView2LeaveCount++;
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|
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var subviewSubView3EnterCount = 0;
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var subviewSubView3LeaveCount = 0;
|
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|
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var subViewSubView3 = new View
|
|
{
|
|
Id = "subViewSubView3",
|
|
CanFocus = false
|
|
};
|
|
subViewSubView3.HasFocusChanging += (s, e) => subviewSubView3EnterCount++;
|
|
subViewSubView3.HasFocusChanged += (s, e) => subviewSubView3LeaveCount++;
|
|
|
|
subView.Add (subViewSubView1, subViewSubView2, subViewSubView3);
|
|
|
|
view.Add (subView);
|
|
|
|
view.SetFocus ();
|
|
Assert.True (view.HasFocus);
|
|
Assert.True (subView.HasFocus);
|
|
Assert.False (subViewSubView1.HasFocus);
|
|
Assert.True (subViewSubView2.HasFocus);
|
|
Assert.False (subViewSubView3.HasFocus);
|
|
|
|
view.HasFocus = false;
|
|
Assert.False (view.HasFocus);
|
|
Assert.False (subView.HasFocus);
|
|
Assert.False (subViewSubView1.HasFocus);
|
|
Assert.False (subViewSubView2.HasFocus);
|
|
Assert.False (subViewSubView3.HasFocus);
|
|
|
|
Assert.Equal (1, viewEnterCount);
|
|
Assert.Equal (1, viewLeaveCount);
|
|
|
|
Assert.Equal (1, subViewEnterCount);
|
|
Assert.Equal (1, subViewLeaveCount);
|
|
|
|
Assert.Equal (0, subviewSubView1EnterCount);
|
|
Assert.Equal (0, subviewSubView1LeaveCount);
|
|
|
|
Assert.Equal (1, subviewSubView2EnterCount);
|
|
Assert.Equal (1, subviewSubView2LeaveCount);
|
|
|
|
Assert.Equal (0, subviewSubView3EnterCount);
|
|
Assert.Equal (0, subviewSubView3LeaveCount);
|
|
}
|
|
|
|
[Fact]
|
|
public void HasFocus_False_Leave_Raised ()
|
|
{
|
|
var view = new View
|
|
{
|
|
Id = "view",
|
|
CanFocus = true
|
|
};
|
|
Assert.True (view.CanFocus);
|
|
Assert.False (view.HasFocus);
|
|
|
|
var leaveInvoked = 0;
|
|
|
|
view.HasFocusChanged += (s, e) => leaveInvoked++;
|
|
|
|
view.SetFocus ();
|
|
Assert.True (view.HasFocus);
|
|
Assert.Equal (0, leaveInvoked);
|
|
|
|
view.HasFocus = false;
|
|
Assert.False (view.HasFocus);
|
|
Assert.Equal (1, leaveInvoked);
|
|
}
|
|
|
|
[Fact]
|
|
public void HasFocus_False_Leave_Raised_ForAllSubViews ()
|
|
{
|
|
var view = new View
|
|
{
|
|
Id = "view",
|
|
CanFocus = true
|
|
};
|
|
|
|
var subview = new View
|
|
{
|
|
Id = "subview",
|
|
CanFocus = true
|
|
};
|
|
view.Add (subview);
|
|
|
|
var leaveInvoked = 0;
|
|
|
|
view.HasFocusChanged += (s, e) => leaveInvoked++;
|
|
subview.HasFocusChanged += (s, e) => leaveInvoked++;
|
|
|
|
view.SetFocus ();
|
|
Assert.True (view.HasFocus);
|
|
Assert.Equal (0, leaveInvoked);
|
|
|
|
view.HasFocus = false;
|
|
Assert.False (view.HasFocus);
|
|
Assert.False (subview.HasFocus);
|
|
Assert.Equal (2, leaveInvoked);
|
|
}
|
|
}
|